InstructionTargeter

All Known Implementing Classes:: BranchInstruction, CodeExceptionGen, GOTO, GOTO_W, GotoInstruction, IF_ACMPEQ, IF_ACMPNE, IF_ICMPEQ, IF_ICMPGE, IF_ICMPGT, IF_ICMPLE, IF_ICMPLT, IF_ICMPNE, IFEQ, IFGE, IFGT, IfInstruction, IFLE, IFLT, IFNE, IFNONNULL, IFNULL, JSR, JSR_W, JsrInstruction, LineNumberGen, LocalVariableGen, LOOKUPSWITCH, Select, TABLESWITCH

public interface InstructionTargeter

Denote that a class targets InstructionHandles within an InstructionList. Namely the following implementers:

See Also:

Method Summary

Modifier and Type

Method

Description

boolean

containsTarget(InstructionHandle ih)

Checks whether this targeter targets the specified instruction handle.

void

updateTarget(InstructionHandle old_ih, InstructionHandle new_ih)

Replaces the target of this targeter from this old handle to the new handle.

Method Details
- containsTarget
  
  boolean containsTarget(InstructionHandle ih)
  
  Checks whether this targeter targets the specified instruction handle.
- updateTarget
  
  void updateTarget(InstructionHandle old_ih, InstructionHandle new_ih) throws ClassGenException
  
  Replaces the target of this targeter from this old handle to the new handle.
  
  Parameters:
  
  old_ih - the old handle
  
  new_ih - the new handle
  
  Throws:
  
  ClassGenException - if old_ih is not targeted by this object